Event ID - 20

Event Id20
Sourcesimptcp
DescriptionSimple TCP/IP Services could not open the TCP QOTD port. The TCP QOTD service was not started.
Event InformationAccording to Microsoft:
Cause:

This behavior can occur if SimpTcp and LPD (the printer daemon) are both trying to use port 17.

Resolution:
Microsoft has confirmed that this is a problem in the Microsoft products that are listed at the beginning of this article.
MORE INFORMATION
For more information about LPD, see article: 121737
Reference LinksSimpTcp Warning Messages Appear When TCP/IP Print Server Starts

article: 121737 TCP/IP Printing Supports Only Berkeley Style Daemons (RFC1179)

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